Recent Accounting Pronouncements Details (Tables)

3 Months Ended

Mar. 31, 2018

Accounting Policies [Abstract]

Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]

The cumulative effect of applying the new revenue standard, primarily relating to financing components of contracts executed in prior periods and estimates of variable consideration for sales and usage based royalty agreements executed in prior periods, was as follows (in thousands):

	Balance at December 31, 2017			Adjustments Due to ASC 606		Balance at January 1, 2018
Balance Sheets:
Accounts receivable	$	153		$	4,542	$	4,695
Royalties and contingent legal fees payable	1,601			1,728		3,329
Accumulated deficit	(320,018		)	2,506		(317,512		)
Noncontrolling interests	1,358			308		1,666

The impact of the adoption of the new accounting standard on the consolidated balance sheet and statement of operations was as follows (in thousands):

	Balance as Reported		Balance Before ASC 606 Adoption		Effect of Change
Balance Sheets:
Accounts receivable	$	4,754	$	2,724	$	2,030
Royalties and contingent legal fees payable	39,937		39,125		812
Statements of Operations:
Revenues	$	62,093	$	60,063	$	2,030
Inventor royalties	21,744		21,046		698
Contingent legal fees	15,759		15,645		114